Physician Profile
Unclaimed ProfileAbout YOON
Based in Skokie, IL, William Jhonghoon Yoon, M.D. is listed in the NPI registry under vascular surgery. William graduated from Virginia Commonwealth University, School of Medicine in 2011. William is also listed as specializing in surgery. Medicare claims data shows William provided 571 services to 518 patients.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (847) 663-8050
- Email not available
Practice Locations
9650 GROSS POINT RD STE 4900
Skokie, IL 60076
Procedures Most Often Billed to Medicare
571 services · 518 patients · 14 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Ultrasound scan of abdominal aorta | Imaging | 76706 |
37 |
| Ultrasound of both sides of head and neck blood flow | Treatment | 93880 |
87 |
| Ultrasound study of arm or leg veins with compression and maneuvers | Treatment | 93970 |
56 |
| Ultrasound study of one arm or leg veins with compression and maneuvers | Treatment | 93971 |
48 |
| Ultrasound study of arm and leg arteries | Treatment | 93922 |
37 |
| Complete ultrasound of aorta, vena cava, groin vessels or bypass grafts | Treatment | 93978 |
31 |
| Complete ultrasound of abdomen and pelvis artery and vein blood flow | Treatment | 93975 |
16 |
| Complete ultrasound study of arm and leg arteries | Treatment | 93923 |
13 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
86 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
51 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other vascular surgeons at this location 1
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other vascular surgeons in Skokie 4
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Virginia Commonwealth University, School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2011 at Virginia Commonwealth University, School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Ultrasound scan of abdominal aorta 8
Providers in IL who bill this service to Medicare most often.
Common questions
What is Dr. Yoon's specialty?
Dr. Yoon is a vascular surgeon in Skokie, IL. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “VASCULAR SURGERY”.
NPI registry
Where can I find Dr. Yoon?
Dr. Yoon is listed at 9650 GROSS POINT RD STE 4900, Skokie, IL 60076. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Yoon?
The number on file is (847) 663-8050. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Yoon?
Dr. Yoon's National Provider Identifier is 1720368657. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Dr. Yoon's medical education?
Dr. Yoon attended Virginia Commonwealth University, School of Medicine, graduating in 2011. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Yoon have?
Dr. Yoon has 15 years experience. Calculated from a graduation year of 2011, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Yoon known for?
According to Medicare billing data, Dr. Yoon performs imaging including ultrasound scan of abdominal aorta; provides treatments such as ultrasound of both sides of head and neck blood flow and ultrasound study of arm or leg veins with compression and maneuvers, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Yoon's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Yoon. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.